body {
  margin: 0;
  padding: 0;
  background-color: #ccc;
}
/* 左边树形菜单 */
.aside {
  height: 100%;
  width: 200px;
  background-color: #2f4050;
  position: fixed;
  top: 0;
  left: 0;
}
.aside .info {
  background-color: #243443;
  overflow: hidden;
}
.aside .info .portrait,
.aside .info img {
  width: 80px;
}
.aside .info img {
  border: 2px solid #a9b0c2;
}
.aside .info .portrait {
  margin: 30px auto 15px;
}
.aside .info h4 {
  color: #a9b0c2;
  text-align: center;
  margin-bottom: 20px;
}
.aside .menu {
  margin: 30px 0;
}
.aside .menu ol {
  list-style: none;
  padding: 0;
}
.aside .menu ol a {
  text-decoration: none;
  color: #ddd;
}
.aside .menu ol a span {
  margin-right: 5px;
}
.aside .menu ol > li > div {
  padding: 10px 30px;
}
.aside .menu ol > li > div:hover {
  background-color: #243443;
}
.aside .menu ol > li > div:hover a {
  color: #f4f6f8;
  text-decoration: nore;
}
/* 右边内容块 */
.main {
  margin-left: 200px;
  background-color: #f4f6f8;
  height: 600px;
}
.main .header .navbar {
  background-color: #fff;
  border: 1px solid #ddd;
}
.main .body {
  padding: 0 15px;
}
.main .body .breadcrumb {
  background-color: #fff;
  border: 1px solid #ddd;
}
